A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Allele Dmel\nwkScer\UAS.cCa

General Information
SymbolDmel\nwkScer\UAS.cCaSpeciesD. melanogaster
NameSaccharomyces cerevisiae UAS construct a of CoyleFlyBase IDFBal0154814
Feature typealleleAssociated geneDmel\nwk
Allele class
Mutagenin vitro construct - regulatory fusion
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Description
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FB2013_03
FB2013_02
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Allele class
Mutagen
Mutations Mapped to the Genome
Type
Location
Additional Notes
References
Associated Sequence Data
DDBJ /
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DNA sequence
Protein sequence
Name
 
UniProtKB/Swiss-Prot
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Progenitor genotype
Nature of the lesion
Statement
Reference
Construct: Scer\UAS regulatory sequences drive expression of a full length nwk cDNA.
Carried in construct
Cytology
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Statement
Reference
Expression of nwk[Scer\UAS.cCa] under the control of Scer\GAL4[elav-C155] does not affect synaptic growth at the larval neuromuscular junction (both the average total number of boutons and the number of satellite boutons are normal in the mutant larvae).
Expression of nwk[Scer\UAS.cCa] under the control of Scer\GAL4[elav-C155] has no effect on synaptic growth or bouton number in third instar larvae.
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Statement
Reference
Co-expression of nwk[Scer\UAS.cCa] with Atg1[Scer\UAS.cSa], under the control of Scer\GAL4[elav.PLu] fails to suppress Atg1[Scer\UAS.cSa]-mediated neuromuscular junction overgrowth.
Co-expression of nwk[Scer\UAS.cCa] suppresses the increase in the total number of boutons and in the number of satellite boutons at the neuromuscular junction that is seen in larvae expressing two copies of tkv[Q199D.Scer\UAS.T:Ivir\HA1] under the control of Scer\GAL4[elav-C155]. Expression of nwk[Scer\UAS.cCa] under the control of Scer\GAL4[elav-C155] suppresses the increase in the total number of boutons and in the number of satellite boutons at the neuromuscular junction that is seen in homozygous Dad[j1E4] larvae.
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Rescues
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Comments
Expression of nwk[Scer\UAS.cCa] under the control of Scer\GAL4[elav-C155] partially rescues the synaptic overgrowth and increased bouton number phenotypes seen in nwk[1]/nwk[2] third instar larvae.
The temperature sensitive paralysis phenotype of nwk2 adults is rescued by expression of nwkScer\UAS.cCa under the control of Scer\GAL4elav-C155; after 15 minutes at 28oC, more than 90% of the rescued adults continue to walk and climb normally. Expression of nwkScer\UAS.cCa under the control of Scer\GAL4elav.PLu partially rescues the neuromuscular junction (NMJ) phenotypes seen in nwk2 larvae; the normalised numbers of boutons and branches are fully rescued at NMJ 6/7 and NMJ 4, and the increase in NMJ length seen in nwk2 larvae is substantially rescued. The increased incidence of hyperbranched boutons per NMJ seen in nwk2 larvae is not altered in the rescued larvae. Excitatory junctional current (EJC) amplitude is fully rescued and miniature EJC amplitude is partially rescued.
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Reported As
Symbol Synonym
nwkScer\UAS.cCa
 
Name Synonym
Saccharomyces cerevisiae UAS construct a of Coyle
Secondary FlyBase IDs
hide References ( 4 )
Research paper
Shen and Ganetzky, 2009, J. Cell Biol. 187(1): 71--79
Autophagy promotes synapse development in Drosophila. [FBrf0208921]
O'Connor-Giles et al., 2008, Neuron 58(4): 507--518
Nervous wreck interacts with thickveins and the endocytic machinery to attenuate retrograde BMP signaling during synaptic growth. [FBrf0204925]
Rodal et al., 2008, J. Neurosci. 28(33): 8316--8325
Nervous wreck and Cdc42 cooperate to regulate endocytic actin assembly during synaptic growth. [FBrf0205746]
Coyle et al., 2004, Neuron 41(4): 521--534
Nervous wreck, an SH3 adaptor protein that interacts with Wsp, regulates synaptic growth in Drosophila. [FBrf0175021]